Pedicled with any artery in this region,the buccinator muscosal island flap would always be viable.2 patterns of buccinator musculomucosal island flaps were designed in this study.

• 以进入颊肌任何一方血管为蒂的颊肌粘膜瓣均可存活。本文设计了2种新的岛状颊肌粘膜瓣。